<?php

/**
 * The Dispatcher class
 */
class LtDispatcher
{
    public $viewDir;
    public $viewTplDir;
    public $viewTplAutoCompile;
    public $data;

    public function __construct()
    {

    }

    protected function _dispatch($module, $action, $context = null, $classType = "Action")
    {
        $classType = ucfirst($classType);
        $actionClassName = $module . $action . $classType;
        if (!class_exists($actionClassName)) {
            //DebugHelper::debug("{$classType}_CLASS_NOT_FOUND", array(strtolower($classType) => $action));
            trigger_error("{$actionClassName} CLASS NOT FOUND! module={$module} action={$action} classType={$classType}");
        } else {
            if (!($context instanceof LtContext)) {
                $newContext = new LtContext;
            } else {
                $newContext = clone $context;
            }
            $newContext->uri['module'] = $module;
            $newContext->uri[strtolower($classType)] = $action;
            $actionInstance = new $actionClassName();
            $actionInstance->context = $newContext;
            $actionInstance->viewDir = $this->viewDir;
            $actionInstance->viewTplDir = $this->viewTplDir; // 模板编译目录
            $actionInstance->viewTplAutoCompile = $this->viewTplAutoCompile;
            $actionInstance->executeChain();
            $this->data = $actionInstance->data;
        }
    }

    /**
     * Disptach the module/action calling.
     *
     * @param $module string
     * @param $action string
     * @return void
     * @todo allow one action dispatch another action
     */
    public function dispatchAction($module, $action, $context = null)
    {
        $this->_dispatch($module, $action, $context);
    }

    /**
     * Disptach the module/component calling.
     *
     * @param $module string
     * @param $component string
     * @param $data mixed
     * @return void
     */
    public function dispatchComponent($module, $component, $context = null)
    {
        $cloneOfContext = clone $context;
        $this->_dispatch($module, $component, $cloneOfContext, "Component");
    }
}
